KALIUHA, Y.; PABAT, V. STATE OF SOCIAL SECURITY IN DIFFERENT COUNTRIES OF THE WORLD AND WAYS OF ITS IMPROVEMENT IN UKRAINE. European Science, [S. l.], v. 2, n. sge12-02, p. 7–16, 2022. DOI: 10.30890/2709-2313.2022-12-02-021. Disponível em: https://desymp.promonograph.org/index.php/sge/article/view/sge12-02-021. Acesso em: 5 may. 2024.